Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that's equal parts terrifying and, oddly, hopeful.

As we consider the bigger picture of constant expansion and economic growth, what impact will that have on planet Earth? Here's an inspirational video that will help put our petition into perspective.

Watch The Earth is full by Paul Gilding at TED Ed on Youtube here https://youtu.be/DZT6YpCsapg